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Add support for memory "fill" mode 

Syntax: write <memtype> <start addr> <no. byte to write> <byte to write> ...
This commit is contained in:
MCUdude 2022-02-17 11:24:59 +01:00
parent 7b79b72794
commit 2589b17640
2 changed files with 41 additions and 11 deletions
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32
src/term.c
View File

@ -336,11 +336,13 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
unsigned char b;
int rc;
int werror;
int write_mode;
AVRMEM * mem;
if (argc < 4) {
avrdude_message(MSG_INFO, "Usage: write <memtype> <addr> <byte1> "
"<byte2> ... <byteN>\n");
avrdude_message(MSG_INFO,
"Usage: write <memtype> <start addr> <data1> <data2> <dataN>\n"
" write <memtype> <start addr> <no. bytes> <data1> <dataN> <...>\n");
return -1;
}
@ -368,8 +370,19 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
return -1;
}
/* number of bytes to write at the specified address */
// Figure out how many bytes to write to memory
if(strcmp(argv[5], "...") == 0) {
write_mode = WRITE_MODE_FILL;
len = strtoul(argv[3], &e, 0);
if (*e || (e == argv[3])) {
avrdude_message(MSG_INFO, "%s (write ...): can't parse address \"%s\"\n",
progname, argv[3]);
return -1;
}
} else {
write_mode = WRITE_MODE_STANDARD;
len = argc - 3;
}
if ((addr + len) > maxsize) {
avrdude_message(MSG_INFO, "%s (write): selected address and # bytes exceed "
@ -384,6 +397,7 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
return -1;
}
if(write_mode == WRITE_MODE_STANDARD) {
for (i=3; i<argc; i++) {
buf[i-3] = strtoul(argv[i], &e, 0);
if (*e || (e == argv[i])) {
@ -393,6 +407,18 @@ static int cmd_write(PROGRAMMER * pgm, struct avrpart * p,
return -1;
}
}
} else if(write_mode == WRITE_MODE_FILL) {
unsigned char fill_val = strtoul(argv[4], &e, 0);
if (*e || (e == argv[4])) {
avrdude_message(MSG_INFO, "%s (write ...): can't parse byte \"%s\"\n",
progname, argv[4]);
free(buf);
return -1;
}
for (i = 0; i < len; i++) {
buf[i] = fill_val;
}
}
pgm->err_led(pgm, OFF);
for (werror=0, i=0; i<len; i++) {

4
src/term.h
View File

@ -27,6 +27,10 @@
extern "C" {
#endif
// Macros for determining write mode
#define WRITE_MODE_STANDARD 0
#define WRITE_MODE_FILL 1
int terminal_mode(PROGRAMMER * pgm, struct avrpart * p);
char * terminal_get_input(const char *prompt);